.logo {
    margin: 10px;
    margin-left: 20PX;
    height: 40px;
}

.site_layout{
    background: rgb(255, 255, 255);
    overflow-y: scroll;
    position: relative;
}

.site_layout_background {
    background: #062450;
    color: white;
  }

.headerBox{
    position: fixed;
    right: 20px;
    top: 0px;
    width: 100vw;
    text-align: right;
}

.sider{
    height: 100%;
}